Description
🚀 Engineered for precise industrial engine and turbine management, the Woodward 9907-015 is a specialized load sharing and speed control module within the trusted 2301A series. It delivers reliable prime mover speed regulation and proportional active power load distribution for generators operating individually or in parallel configurations.
Technical Specifications & Datasheet
⚙️ Dimensions: 221 mm x 155 mm x 64 mm (Standard 2301A enclosure format)
⚖️ Weight: Approx. 1.8 kg (4 lbs)
🌍 Country of Origin: United States
⚡ Power Consumption: 15 W nominal
🔌 Operating Voltage: Standard 2301A low-voltage or high-voltage power variants
🌡️ Operating Temperature: -40°C to +85°C (-40°F to +185°F)
🛡️ Enclosure Rating: IP20 chassis-mount with metallic product backplane
⏱️ Control Loop Response: Fast actuation compatibility for stable governor control
🔄 Speed Range: Rated speed up to 11,450 Hz derived via MPU frequency input
🔌 Actuator Output: Compatible with standard proportional actuators
Operating Procedures & Usage Methods
🛠️ Securely mount the module onto its metallic backplane inside a protective industrial control panel or cabinet, ensuring proper vertical clearance for terminal connections and natural convection cooling.
🔧 Connect the magnetic pickup (MPU) speed sensor, current transformers, actuator lines, and power supply strictly according to the terminal wiring diagram on the unit housing.
📋 Adjust the front-panel potentiometers (such as gain, reset, speed trim, and load droop/isochronous settings) carefully during initial calibration to match engine dynamics and synchronization parameters.
Power Sequencing Guidelines
🔌 Startup Sequence: Energize the input power source to initialize internal control circuits, verify that MPU speed signals stabilize within range, and confirm zero fault codes before enabling fuel or steam delivery to the prime mover.
🛑 Shutdown Sequence: Disable the actuator control loop or cut fuel/steam supply to bring the prime mover to a complete, safe stop prior to isolating the main system power feed.
Product Usage Instructions
📖 Utilize front-panel adjustments to fine-tune stability and response characteristics, ensuring seamless synchronization when paralleling generators across a shared bus.
📖 Select isochronous mode when coordinating constant frequency across multiple paralleled engines, or switch to droop mode for single-engine speed governing and isolated electrical generation.
Frequently Asked Questions
💡 Q: What is the primary function of the 9907-015 model? A: It functions as an electronic load sharing and speed control unit designed to maintain stable prime mover speed and distribute active electrical load evenly across parallel generators.
💡 Q: How does the unit calculate load distribution? A: It monitors current transformer (CT) inputs to determine active power and shares that load signal proportionally with other paralleled governors via interconnect lines.
💡 Q: What governor series does this unit belong to? A: It is part of Woodward’s widely utilized 2301A analog load sharing and speed control product line.
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